print("Hello,world")
a=3
b=2
print((a*b)+3*4)
print(type(1))



a1,d1,c1,b1=10,2,"hello,world",12.5
print(a1)
print(d1)
print(c1)
print(b1)
username="张三"
password=13211313213
print(username)
s=7%3
print(s)